<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Javascript的基本结构</title>
</head>
<body>
    <p>开始</p>
    <script type="text/javascript">
        document.write("你好，JavaScript");
    </script>
    <p>结束</p>
</body>
</html>